Same image intensity different on PC and Mac
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Hello guys:
I used mac and PC to read the .mov movie which I got from camera, but mac and PC gave me different intensity value for the same spot, is there anyone can explain to me why it would be like this? I was assuming to get the same intensity value for a pixel, and when matlab read the intensity of a pixel, does it read file or displayed intensity?
2 个评论
Sreeja Banerjee
2015-7-23
How are you reading the files? Which function are you using?
Subinuer
2015-7-31
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Cam Salzberger
2015-7-31
0 个投票
Hi Subinuer,
It is possible that the issue is caused by different interpretations of the video data by the native video-reading framework on the different operating systems. For example, the "videoreader" function uses the QTKit from QuickTime 7 to read videos on a Mac, but uses a different native reader on Windows.
Certain image and video interpreters will ignore filetype-specific colormaps and other properties, which can cause data interpretation discrepancies between systems. I cannot confirm that this is what is happening here without your code or files, but it is a possibility.
If the issue is significant enough to impact your work, I would suggest contacting MathWorks Technical Support with your files for assistance.
I hope that this information helped!
-Cam
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